Leica did get some things right...
And some other companies quickly got some things better.
First, the way these sensors work, each pixel only records one of red, blue, and green. So, much like analog TV they end up with a high-res brightness signal overload with lower-res colour data. If the 41MP is genuine, you're going to get the colour detail at 10MP.
Second, anyone remember Fractal Image Format. It they're doing something like that with the lower-res colour data, it could be interesting, technically.
Third, I'm not sure that any of the well-known lens manufacturers are significantly different in their ability to make a lens, but they may well choose different compromises in the design. If the lens design is matched to the sensor and the processing, it gets more points than if it's just another Zeiss Tessar.
I shall wait for reviews based on some testing, rather than press releases.
But it looks like way too much camera to be a phone. Let's see who ends up licensing the tech.